Showerhead



FIG. 1 is a top perspective view of a showerhead showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof; the right sideelevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the Figures are for illustrative purposes only andform no part of the claimed design.

The ornamental design for a showerhead, as shown and described.